Mount Calm is a city in Hill County, Texas, United States. Its population was 282 at the 2020 census.
Mount Calm is located in southern Hill County in Central Texas. Texas State Highway 31 crosses the western corner of the town, leading northeast to Hubbard and southwest to Waco. Hillsboro, the Hill county seat, is to the northwest via local roads.
According to the United States Census Bureau, Mount Calm has a total area of , of which , or 1.66%, is covered by water.
As of the 2020 census, Mount Calm had a population of 282. The median age was 36.0 years. 26.2% of residents were under the age of 18 and 17.7% of residents were 65 years of age or older. For every 100 females there were 90.5 males, and for every 100 females age 18 and over there were 87.4 males age 18 and over.
0.0% of residents lived in urban areas, while 100.0% lived in rural areas.
There were 102 households in Mount Calm, of which 34.3% had children under the age of 18 living in them. Of all households, 47.1% were married-couple households, 14.7% were households with a male householder and no spouse or partner present, and 31.4% were households with a female householder and no spouse or partner present. About 24.5% of all households were made up of individuals and 8.8% had someone living alone who was 65 years of age or older.
There were 129 housing units, of which 20.9% were vacant. The homeowner vacancy rate was 4.4% and the rental vacancy rate was 21.4%.
As of the 2000 census, 310 people, 118 households, and 82 families resided in the town. The population density was . The 138 housing units had an average density of . The racial makeup of the town was 74.52% White, 13.55% African American, 1.61% Native American, 1.61% Asian, 8.39% from other races, and 0.32% from two or more races. Hispanics or Latinos of any race were 11.29% of the population.
Of the 118 households, 28.8% had children under 18 living with them, 53.4% were married couples living together, 14.4% had a female householder with no husband present, and 30.5% were not families. About 25.4% of all households were made up of individuals, and 11.0% had someone living alone who was 65 or older. The average household size was 2.63 and the average family size was 3.23.
In the town, the age distribution was 30.3% under 18, 5.8% from 18 to 24, 23.5% from 25 to 44, 25.8% from 45 to 64, and 14.5% who were 65 or older. The median age was 38 years. For every 100 females, there were 86.7 males. For every 100 females 18 and over, there were 91.2 males.
The median income for a household in the town was $31,591, and for a family was $34,583. Males had a median income of $32,031 versus $18,571 for females. The per capita income for the town was $13,310. About 9.9% of families and 10.2% of the population were below the poverty line, including 14.1% of those under 18 and 3.2% of those 65 or over.
The town is served by the Mount Calm Independent School District.